Device for cleaning an oral cavity



FIG. 1 illustrates a top perspective view of a device for cleaning an oral cavity in accordance with the design;

FIG. 2 illustrates a bottom perspective view of the device of FIG. 1;

FIG. 3 illustrates a top view of the device of FIG. 1;

FIG. 4 illustrates a bottom view of the device of FIG. 1;

FIG. 5 illustrates a left-hand side view of the device of FIG. 1;

FIG. 6 illustrates a right-hand side view of the device of FIG. 1;

FIG. 7 illustrates a rear end view of the device of FIG. 1; and,

FIG. 8 illustrates a front end view of the device of FIG. 1. 

The ornamental design for a device for cleaning an oral cavity, as shown. 